Polyfluorene nanowires with pronounced axial texturing prepared by melt-assisted template wetting

Deirdre O' Carroll; Jennifer Irwin; David A. Tanner; Gareth Redmond

doi:10.1016/j.mseb.2007.08.025

Polyfluorene nanowires with pronounced axial texturing prepared by melt-assisted template wetting

Deirdre O' Carroll, Jennifer Irwin, David A. Tanner, Gareth Redmond

Rutgers University

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

Poly(9,9-dioctylfluorene) conjugated polymer nanowires were fabricated by melt-assisted wetting of porous anodic alumina templates. Analysis by high-resolution transmission electron microscopy and X-ray diffraction suggested that the polymer molecules were axially textured within the nanowires. Polarized optical microscopy images of single nanowires exhibited a pronounced optical birefringence consistent with internal axial alignment of the polymer molecules. Polarization-resolved photoluminescence images and spectra were acquired following near-field optical addressing of single nanowires. This data revealed that nanowire luminescence was markedly anisotropic with a preferred axial polarization of wire emission.

Original language	English
Pages (from-to)	298-302
Number of pages	5
Journal	Materials Science and Engineering B: Solid-State Materials for Advanced Technology
Volume	147
Issue number	2-3
DOIs	https://doi.org/10.1016/j.mseb.2007.08.025
Publication status	Published - Feb 15 2008

Keywords

Birefringence
Conjugated polymers
Emission anisotropy
Nanowires
Polyfluorene

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/j.mseb.2007.08.025

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Polyfluorene nanowires with pronounced axial texturing prepared by melt-assisted template wetting. / O' Carroll, Deirdre; Irwin, Jennifer; Tanner, David A.; Redmond, Gareth.

In: Materials Science and Engineering B: Solid-State Materials for Advanced Technology, Vol. 147, No. 2-3, 15.02.2008, p. 298-302.

Research output: Contribution to journal › Article › peer-review

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abstract = "Poly(9,9-dioctylfluorene) conjugated polymer nanowires were fabricated by melt-assisted wetting of porous anodic alumina templates. Analysis by high-resolution transmission electron microscopy and X-ray diffraction suggested that the polymer molecules were axially textured within the nanowires. Polarized optical microscopy images of single nanowires exhibited a pronounced optical birefringence consistent with internal axial alignment of the polymer molecules. Polarization-resolved photoluminescence images and spectra were acquired following near-field optical addressing of single nanowires. This data revealed that nanowire luminescence was markedly anisotropic with a preferred axial polarization of wire emission.",

keywords = "Birefringence, Conjugated polymers, Emission anisotropy, Nanowires, Polyfluorene",

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AU - Redmond, Gareth

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N2 - Poly(9,9-dioctylfluorene) conjugated polymer nanowires were fabricated by melt-assisted wetting of porous anodic alumina templates. Analysis by high-resolution transmission electron microscopy and X-ray diffraction suggested that the polymer molecules were axially textured within the nanowires. Polarized optical microscopy images of single nanowires exhibited a pronounced optical birefringence consistent with internal axial alignment of the polymer molecules. Polarization-resolved photoluminescence images and spectra were acquired following near-field optical addressing of single nanowires. This data revealed that nanowire luminescence was markedly anisotropic with a preferred axial polarization of wire emission.

AB - Poly(9,9-dioctylfluorene) conjugated polymer nanowires were fabricated by melt-assisted wetting of porous anodic alumina templates. Analysis by high-resolution transmission electron microscopy and X-ray diffraction suggested that the polymer molecules were axially textured within the nanowires. Polarized optical microscopy images of single nanowires exhibited a pronounced optical birefringence consistent with internal axial alignment of the polymer molecules. Polarization-resolved photoluminescence images and spectra were acquired following near-field optical addressing of single nanowires. This data revealed that nanowire luminescence was markedly anisotropic with a preferred axial polarization of wire emission.

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Polyfluorene nanowires with pronounced axial texturing prepared by melt-assisted template wetting

Abstract

Keywords

ASJC Scopus subject areas

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